diff --git a/pkgs/servers/squid/squids.nix b/pkgs/servers/squid/squids.nix
index 3cb8d71e3036..587c17a3ceea 100644
--- a/pkgs/servers/squid/squids.nix
+++ b/pkgs/servers/squid/squids.nix
@@ -50,5 +50,16 @@ rec {
     configureFlags = ["--enable-ssl" "--enable-ssl-crtd"];
   };
 
-  latest = squid34;
+  squid35 = squid30.merge rec {
+    name = "squid-3.5.1";
+    src = args.fetchurl {
+      url = "http://www.squid-cache.org/Versions/v3/3.5/${name}.tar.bz2";
+      sha256 = "0rfv1v5vkk7l08v4j16l0lz2grrzd8qf2n25i73qd7c8rgwd6a3x";
+    };
+    buildInputs = [openldap pam db cyrus_sasl libcap expat libxml2
+      libtool openssl];
+    configureFlags = ["--with-openssl" "--enable-ssl-crtd"];
+  };
+
+  latest = squid35;
 }